CN102749131A - Automatic weighing device with tiny range - Google Patents
Automatic weighing device with tiny range Download PDFInfo
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- CN102749131A CN102749131A CN2012102425401A CN201210242540A CN102749131A CN 102749131 A CN102749131 A CN 102749131A CN 2012102425401 A CN2012102425401 A CN 2012102425401A CN 201210242540 A CN201210242540 A CN 201210242540A CN 102749131 A CN102749131 A CN 102749131A
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- weighing
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- bearing
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- weigher
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Abstract
The invention relates to an automatic weighing device with a tiny range, which realizes a purpose of automatically weighing micro-quantity bulk materials at high precision by reasonably designing a feeding part, a weighing part and a driving transmission part, wherein the feeding part comprises an electromagnetic vibration feeding machine, a protecting cover and an observation cover; the weighing part comprises a weighing sensor, a base, a weighing device, a support frame, a vibrator, a butterfly valve, a support and a protecting housing; the driving transmission part comprises a cylinder, a gear, a transmission shaft, a sealing housing, a bearing pedestal and a bearing; the electromagnetic vibration feeding machine feeds the weighing device; the weighing sensor synchronously weighs; and the weighing device is controlled by the cylinder to weigh or discharge materials. According to the automatic weighing device disclosed by the invention, the weighing precision can be substantially improved, the weighing range can be 10kg, and the dynamic repeated weighing precision reaches+/-1g. The purpose of continuously feeding, weighing and discharging materials can be realized, the whole weighing process is automatic and efficient, and the automatic weighing device with the tiny range has the advantages of simple structure and convenience in use. Because the device adopts a full-sealing mode, the whole weighing process is free from dust overflow.
Description
Technical field
The present invention relates to meausring apparatus, particularly a kind of small range poidometer is applicable to loose the continuously automatically weighing of shape (powdery, graininess or bulk) material of light weight.
Background technology
In the prior art, the weighing of bulk material is mainly contained dual mode, a kind of is to adopt electronic scale or day equality weigher tool to carry out manual weighing's mode, and this kind mode not only weighing speed is slow, and the workman to operate labour intensity big, it is low to repeat weighing precision.Another kind is to adopt special loose unpacked material device to carry out weighing, and external like product complex structure costs an arm and a leg; Domestic weigher all adopts the weighing of decrement weight method, and precision is low.
Summary of the invention
In view of above-mentioned prior art situation, the present invention provides a kind of small range poidometer of enclosure-type.This device has been realized the high-precision automatic weighing of small quantity bulk material through the appropriate design to feeding section, weighing part and driving running part.This device each several part is equipped with seal closure, has not both had dust and has leaked, and can guarantee weighing precision again, can carry out external appearance spray finishing in the scene of being used simultaneously, keeps field apparatus outward appearance consistance.
The technical scheme that the present invention takes is: a kind of small range poidometer; It is characterized in that: comprise feeding section, weighing part and driving running part; Feeding section comprises electro-vibrating feeder, protective cover and observation lid, and weighing part comprises LOAD CELLS, base, weigher, bracing frame, Vib., butterfly valve, bearing and protective cover, drives running part and comprises cylinder, gear, transmission shaft, seal closure, bearing seat and bearing; At least be provided with a flanged (FLGD) charging aperture on the said protective cover; The notch of the feed well of electro-vibrating feeder puts in the protective cover through charging aperture, and notch is positioned at weigher top, and first flange is installed on the feed well; First flange on the feed well and the flange on the charging aperture form through being flexible coupling and are tightly connected; The protective cover top is provided with observation panel, observes and covers on observation panel, also is provided with vent port on the protective cover; Said weigher places protective cover; The one end welding of weigher outer wall and transmission shaft adapter sleeve is fixing, and the other end of transmission shaft is connected with the engaged wheel of gear, and the driving wheel of gear is connected with cylinder; Transmission shaft through bearing seat and bearing fixing on LOAD CELLS; LOAD CELLS is fixed on the base, and with gear and cylinder seal in seal closure, seal closure is fixedly connected with bracing frame; The lower port of protective cover is connected with the port of protective cover through second flange; Bearing is weldingly fixed on the outer wall of protective cover middle part; Protective cover is fixedly connected with bracing frame through bearing, and Vib. is installed on the outer wall of protective cover lower end, and butterfly valve is connected with the protective cover bottom through the 3rd flange.
The beneficial effect that the present invention produces is: take this device can significantly improve weighing precision.The weighing range is 10kg, dynamically repeats weighing precision and reaches ± 1g.Can realize continuous charging, weigh, discharge, whole weighing process is automatical and efficient, and simple in structure, easy to use.Because this device adopts hermetically sealed form, whole weighing process non-flour dust overflow.
Description of drawings
Fig. 1 is a structural perspective of the present invention.
Fig. 2 is a structural front view of the present invention.
Fig. 3 is a structure vertical view of the present invention.
Fig. 4 is the enlarged diagram after weigher outer wall and transmission shaft adapter sleeve are fixed.
Fig. 5 is a workflow diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described further:
With reference to Fig. 1, Fig. 2, Fig. 3 and Fig. 4; A kind of small range poidometer comprises feeding section, weighing part and driving running part; Feeding section comprises electro-vibrating feeder 23, protective cover 15 and observes and cover 19, and weighing part comprises LOAD CELLS 7, base 8, weigher 9, bracing frame 10, Vib. 11, butterfly valve 12, bearing 13 and protective cover 14, and the driving running part comprises cylinder 1, gear 2, transmission shaft 3, seal closure 4, bearing seat 5 and bearing 6; At least be provided with a flanged (FLGD) charging aperture 16 on the protective cover 15; The notch 20 of the feed well 22 of electro-vibrating feeder 23 puts in the protective cover 15 through charging aperture 16, and notch 20 is positioned at weigher 9 tops, and first flange 24 is installed on the feed well 22; First flange 24 and the flange on the charging aperture 16 on the feed well 22 are tightly connected through 21 formation that are flexible coupling; Protective cover 15 tops are provided with observation panel, and observation is covered 19 and covered on observation panel, also is provided with vent port 18 on the protective cover 15; Weigher 9 places protective cover 14; The one end welding of weigher 9 outer walls and transmission shaft 3 adapter sleeves is fixing, and the other end of transmission shaft 3 is connected with the engaged wheel of gear 2, and the driving wheel of gear 2 is connected with cylinder 1; Transmission shaft 3 is fixed on the LOAD CELLS 7 through bearing seat 5 and bearing 6; LOAD CELLS 7 is fixed on the base 8, and is sealed in the seal closure 4 with gear 2 and cylinder 1, and seal closure 4 is fixedly connected with bracing frame 10; The lower port of protective cover 15 is connected with the port of protective cover 14 through second flange 25; Bearing 13 is weldingly fixed on the protective cover 14 middle part outer walls; Protective cover 14 is fixedly connected with bracing frame 10 through bearing 13; Vib. 11 is installed on the protective cover 14 lower end outer walls, and butterfly valve 12 is connected with protective cover 14 bottoms through the 3rd flange 26.
Embodiment: the electro-vibrating feeder 23 that this device adopts is known commercially available prod, and electro-vibrating feeder 23 is flexible coupling through canvas by first flange 24 and 21 forms with the flange of charging aperture 16 and to be tightly connected.According to actual operating position needs; Flanged (FLGD) charging aperture can only be opened one or more on the protective cover 15; Present embodiment is provided with two, lays respectively at protective cover 15 left and right sides both directions, has promptly reserved second charging aperture 17; Can increase an electro-vibrating feeder again, and assemble according to diagram.
The weigher 9 of this device is made as bowl-shape, and protective cover 14 is made as drum type brake.The lower end of protective cover 14 is welded with mounting bracket, and Vib. 11 is installed on the protective cover 14 lower end outer walls through mounting bracket.
Welded three bearings 13 on the middle part outer wall of the protective cover 14 of this device, and be fixed on the bracing frame 10 through three bearings 13.
This device principle of work is following: with reference to Fig. 5, use this device for the first time, need carry out work such as parameter setting, school scale and debugging, behind the parameter setting, control program can judge whether institute's setting parameter is arranged in the specialized range automatically.If the parameter setting surpasses specialized range, then return a step Reparametrization; If parameter is arranged in the specialized range, then get into next step school scale and debug phase, can be directly with the static school of counterweight scale, this process is simple and convenient.After the equipment operate as normal, electro-vibrating feeder begins to feed in raw material, and weigher begins to receive material from charging aperture, the synchronous weighing weight of material of LOAD CELLS, and the information real-time of will weighing feeds back to control instrument.If do not reach set desired value, continue charging in the weigher, reach desired value up to the weighing value, electro-vibrating feeder stops charging.After weighing was accomplished, control program control butterfly valve was opened, and starts the cylinder action afterwards, drove weigher Rotate 180 degree through gear and transmission shaft and carried out discharge, and Vibration on Start-up device work simultaneously makes the complete emptying of material in the protective cover 14.After discharge work was accomplished, control program started the cylinder action, drove weigher through gear and transmission shaft and automatically replied initial position, and last butterfly valve cuts out, and accomplishes a weighing.Carry out the next round weighing afterwards, the weighing working cycle is carried out automatically.
Claims (1)
1. small range poidometer; It is characterized in that: comprise feeding section, weighing part and driving running part; Feeding section comprises electro-vibrating feeder (23), protective cover (15) and observes lid (19); Weighing part comprises LOAD CELLS (7), base (8), weigher (9), bracing frame (10), Vib. (11), butterfly valve (12), bearing (13) and protective cover (14); Drive running part and comprise cylinder (1), gear (2), transmission shaft (3), seal closure (4), bearing seat (5) and bearing (6); At least be provided with a flanged (FLGD) charging aperture (16) on the said protective cover (15); The notch (20) of the feed well (22) of electro-vibrating feeder (23) puts in the protective cover (15) through charging aperture (16), and notch (20) is positioned at weigher (9) top, and first flange (24) is installed on the feed well (22); Flange on first flange (24) on the feed well (22) and the charging aperture (16) forms through be flexible coupling (21) and is tightly connected; Protective cover (15) top is provided with observation panel, observes lid (19) and covers on observation panel, also is provided with vent port (18) on the protective cover (15); Said weigher (9) places protective cover (14); The one end welding of weigher (9) outer wall and transmission shaft (3) adapter sleeve is fixing; The other end of transmission shaft (3) is connected with the engaged wheel of gear (2); The driving wheel of gear (2) is connected with cylinder (1), and transmission shaft (3) is fixed on the LOAD CELLS (7) through bearing seat (5) and bearing (6), and LOAD CELLS (7) is fixed on the base (8); And be sealed in the seal closure (4) with gear (2) and cylinder (1), seal closure (4) is fixedly connected with bracing frame (10); The lower port of protective cover (15) is connected with the port of protective cover (14) through second flange (25); Bearing (13) is weldingly fixed on the outer wall of protective cover (14) middle part; Protective cover (14) is fixedly connected with bracing frame (10) through bearing (13); Vib. (11) is installed on the outer wall of protective cover (14) lower end, and butterfly valve (12) is connected with protective cover (14) bottom through the 3rd flange (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102425401A CN102749131A (en) | 2012-07-13 | 2012-07-13 | Automatic weighing device with tiny range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102425401A CN102749131A (en) | 2012-07-13 | 2012-07-13 | Automatic weighing device with tiny range |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102749131A true CN102749131A (en) | 2012-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102425401A Pending CN102749131A (en) | 2012-07-13 | 2012-07-13 | Automatic weighing device with tiny range |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018000800A1 (en) * | 2016-06-27 | 2018-01-04 | 山西新元自动化仪表有限公司 | Closed chute scale |
| CN108760004A (en) * | 2018-08-16 | 2018-11-06 | 中国新型建材设计研究院有限公司 | The high precision micro scale of automatic blending and weighing technique |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1322679A (en) * | 1971-05-22 | 1973-07-11 | Williamson Magor Co Ltd | Apparatus for weighing and for delivering predetermined quantities of tea and like articles continuously and automatically |
| CN1046037A (en) * | 1989-03-17 | 1990-10-10 | 比勒股份公司 | The rotation skip weigher |
| US6407346B1 (en) * | 2000-04-13 | 2002-06-18 | Advanced Poly-Packaging, Inc. | Rotary check weigher |
| CN2599542Y (en) * | 2003-01-30 | 2004-01-14 | 高守宝 | Continuous double-panel turnover metering balance |
| CN102020098A (en) * | 2009-09-16 | 2011-04-20 | 张春霞 | Electromagnetic vibrator |
| CN202676256U (en) * | 2012-07-13 | 2013-01-16 | 天津工业自动化仪表研究所有限公司 | Automatic weighing device with tiny range |
-
2012
- 2012-07-13 CN CN2012102425401A patent/CN102749131A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1322679A (en) * | 1971-05-22 | 1973-07-11 | Williamson Magor Co Ltd | Apparatus for weighing and for delivering predetermined quantities of tea and like articles continuously and automatically |
| CN1046037A (en) * | 1989-03-17 | 1990-10-10 | 比勒股份公司 | The rotation skip weigher |
| US6407346B1 (en) * | 2000-04-13 | 2002-06-18 | Advanced Poly-Packaging, Inc. | Rotary check weigher |
| CN2599542Y (en) * | 2003-01-30 | 2004-01-14 | 高守宝 | Continuous double-panel turnover metering balance |
| CN102020098A (en) * | 2009-09-16 | 2011-04-20 | 张春霞 | Electromagnetic vibrator |
| CN202676256U (en) * | 2012-07-13 | 2013-01-16 | 天津工业自动化仪表研究所有限公司 | Automatic weighing device with tiny range |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018000800A1 (en) * | 2016-06-27 | 2018-01-04 | 山西新元自动化仪表有限公司 | Closed chute scale |
| CN108760004A (en) * | 2018-08-16 | 2018-11-06 | 中国新型建材设计研究院有限公司 | The high precision micro scale of automatic blending and weighing technique |
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Application publication date: 20121024 |